Given the task definition, example input & output, solve the new input case.
You are given a sentence and a question in the input. The information provided in the sentence should be enough to answer the question. You're expected to write the correct answer. Do not use any facts other than those provided in the sentence.
Example: Sentence: GOP leaders submitted the new offer Tuesday afternoon in an effort to appease Democrats, whose votes are needed to avert a shutdown of federal agencies, several House and Senate aides said. Question: Who has to be appeased to keep the government open?
Output: Democrats.
The sentence says that "Democrats" have to be appeased, which answers the question.

New input case for you: Sentence: But her uncle believed singing would keep her from her job as princess, so he found a witch and paid her to steal Princess Ellen's voice. 
Question: What did the spell do?
Output:
Steal Princess Ellen's voice.